prometheus/prometheus 2.8.0 / 2019-03-12

This release uses Write-Ahead Logging (WAL) for the remote_write API. This currently causes a slight increase in memory usage, which will be addressed in future releases.

[CHANGE] prometheus_tsdb_storage_blocks_bytes_total is now prometheus_tsdb_storage_blocks_bytes. prometheus/tsdb#506

[FEATURE] [EXPERIMENTAL] Time overlapping blocks are now allowed; vertical compaction and vertical query merge. It is an optional feature which is controlled by the --storage.tsdb.allow-overlapping-blocks flag, disabled by default. prometheus/tsdb#370

[ENHANCEMENT] Use the WAL for remote_write API. #4588

[ENHANCEMENT] Query performance improvements. prometheus/tsdb#531

[ENHANCEMENT] UI enhancements with upgrade to Bootstrap 4. #5226

[ENHANCEMENT] Reduce time that Alertmanagers are in flux when reloaded. #5126